139564-98-0

Basic information

• Product Name: 2H-1,4-Benzothiazin-3(4H)-one, 2-[chloro(4-methoxyphenyl)methylene]-4-[2-(dimethylamino)ethyl]-, (Z)-
• CAS NO: 139564-98-0
• Molecular Formula: C20H21ClN2O2S
• Molecular Weight: 388.918
• Mol File: 139564-98-0.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 2H-1,4-Benzothiazin-3(4H)-one, 2-[chloro(4-methoxyphenyl)methylene]-4-[2-(dimethylamino)ethyl]-, (Z)-(CAS DataBase Reference)
• NIST Chemistry Reference: 2H-1,4-Benzothiazin-3(4H)-one, 2-[chloro(4-methoxyphenyl)methylene]-4-[2-(dimethylamino)ethyl]-, (Z)-(139564-98-0)
• EPA Substance Registry System: 2H-1,4-Benzothiazin-3(4H)-one, 2-[chloro(4-methoxyphenyl)methylene]-4-[2-(dimethylamino)ethyl]-, (Z)-(139564-98-0)

Safety Data

• Hazardous Substances Data: 139564-98-0(Hazardous Substances Data)

Upstream product

• 42399-40-6 O-desacetyldiltiazem 

Downstream Products

• 139564-99-1 4-(2-Dimethylaminoethyl)-2-(4-methoxybenzyliden)-2H-1,4-benzothiazin-3(4H)-on 

Relevant articles and documents

Studies on the Chemistry of O,N- and S,N-Containing Heterocycles, 13. - Investigations on the Ring Contraction of 1,5-Benzothiazepines to 1,4-Benzothiazines

Reaction of the (3R)-1,5-benzothiazepinon derivative 5 with NaNO2 in glacial acetic acid leads to the rac-1,4-benzothiazinone derivatives 6a and 7.Furthermore, reaction of 5 with NaNO2 in sulphuric acid/KBr yields the ring-contracted compound rac-6b.Compo